Plunger Seal Back Catalog number: CTS-10694 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10583 Plunger Rinse Seal Price on request CTS-0621 Inlet Check Valve Cartridge Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request